The first day of the Australian Open has been disrupted by heavy rain and thunderstorms in Melbourne. Matches at the season-opening Grand Slam tournament started as scheduled at 11:00 local time (00:00 GMT) on Sunday.

In her first match on Melbourne Park’s main court since her loss in last year’s final, Zheng advanced 7-6 (7-3), 6-1 over 20-year-old qualifier Anca Todoni.

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